Not really. He's already in his fifties and faces 20 years in US prison, and then he will probably be deported to the Philippines to spend the rest of his life in prison. I imagine if he had access to billions he would he would be paying mercenaries to bust him out.
I’ve read the various write ups, and iirc the New Yorker piece and who/the group they pointed and a write up on Len seemed to make the most sense. Fun area, been a while since I dug into it.
Very few projects are created truly anonymously. I believe the Bitcoin creator had a real motive to stay anonymous, and a practical use case that was driving him to make Bitcoin eg transferring large amounts of illegitimate wealth internationally and outside of the banking system.
there’s pretty clear documentation on the motivations for why it was made, but I suppose it could be duplicitous and hard to ever verify one way or the other unless SN wallets became active again.